Lemon Quartz 💎🧡
@worldofthegems
Quartz is a hard, crystalline mineral composed of silica. The atoms are linked in a continuous framework of SiO₄ silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO₂.
Cleavage: Indistinct
Color: Colorless through various colors (pink, orange, purple, dark brown) to black
Fracture: Conchoidal
Luster: Vitreous – waxy to dull when massive
Melting point: 1670 °C (β tridymite) 1713 °C (β cristobalite)
Mohs scale hardness: 7 – lower in impure varieties (defining mineral)
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